Beaufort scale

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Beaufort scale

A scale of wind force ranging from 0 (calm) to 12 (hurricane), corresponding with the velocity of wind at a set distance above ground or sea level.

[After Sir Francis Beaufort (1774-1857), British naval officer.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Beaufort scale

(Physical Geography) meteorol an international scale of wind velocities ranging for practical purposes from 0 (calm) to 12 (hurricane force). In the US an extension of the scale, from 13 to 17 for winds over 64 knots, is used

[C19: after Sir Francis Beaufort (1774–1857), British admiral and hydrographer who devised it]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Beau′fort scale′

(ˈboʊ fərt)
n.

a scale for indicating the force or speed of wind, using numbers from 0 to 12 or sometimes 17.

[1855–60; after Sir Francis Beaufort (1774–1857)]

Beau·fort scale

(bō′fərt)

A scale for classifying the force of the wind, ranging from 0 (calm) to 12 (hurricane). The scale was devised in 1805 as a means of describing the effect of different wind velocities on ships at sea.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Beaufort scale

(wind scale) A scale that rates the force of wind from 0 to 12, a rating of 0 being absolute calm and one of 12 being hurricane force.

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Noun	1.	Beaufort scale - an international scale of wind force from 0 (calm air) to 12 (hurricane) wind scale calm air, calm - wind moving at less than 1 knot; 0 on the Beaufort scale light air - wind moving 1-3 knots; 1 on the Beaufort scale light breeze - wind moving 4-7 knots; 2 on the Beaufort scale gentle breeze - wind moving 8-12 knots; 3 on the Beaufort scale moderate breeze - wind moving 13-18 knots; 4 on the Beaufort scale fresh breeze - wind moving 19-24 knots; 5 on the Beaufort scale strong breeze - wind moving 25-31 knots; 6 on the Beaufort scale moderate gale, near gale - wind moving 32-38 knots; 7 on the Beaufort scale fresh gale - wind moving 39-46 knots; 8 on the Beaufort scale strong gale - wind moving 47-54 knots; 9 on the Beaufort scale whole gale - wind moving 55-63 knots; 10 on the Beaufort scale storm, violent storm - a violent weather condition with winds 64-72 knots (11 on the Beaufort scale) and precipitation and thunder and lightning hurricane - a severe tropical cyclone usually with heavy rains and winds moving a 73-136 knots (12 on the Beaufort scale) graduated table, ordered series, scale, scale of measurement - an ordered reference standard; "judging on a scale of 1 to 10"
	2.	Beaufort scale - a scale from 0 to 12 for the force of the wind system of measurement, metric - a system of related measures that facilitates the quantification of some particular characteristic

Translations

Beaufortova stupnice

Beaufortskala Beaufort-Skalabft.

Beaufortin asteikkoboforiasteikko

шкала Бофорта

Beauforts skala

Beaufort scale

[ˈbəʊfətˌskeɪl] N → escala f Beaufort

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

Beaufort scale

n → Beaufortskala f

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

References in periodicals archive ?

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A gentle breeze is which number on the Beaufort Scale? 6.

QUIZ

Due to the difficulty of accessing the location, NYUAD scientists used a combination of satellite observations and reanalysis data to discover that cyclones, which can be as intense as category 11 on the Beaufort Scale, and the strong winds that they carry over the sea-ice pack cause the ice to shift in opposite directions.

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According to the Beaufort Scale, speeds of 99mph are classed as hurricane-strength.

Hurricane-strength winds break Mersey Gateway lights; Storm Gareth battered the bridge and caused damage to overhead lights

What name is given to a wind reaching force 12 on the Beaufort Scale? 7.

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later, strong southwesterly to westerly winds of force 6 to 7 on the Beaufort scale that will affect the

Very strong winds in coastal areas

Wind speeds reached a terrifying "hurricane force" 12 on the Beaufort Scale and were estimated at well over 100 mph.

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Aids such as the Beaufort scale and the Griggs-Putnam Index of Deformity can give you a general sense of the wind resource at your location, but an accurate assessment will require more rigorous testing.

Assess Your Site for: WIND POWER: If you're considering wind-electric generation, take a moment to assess potential sites for a turbine on your property

Actual wind conditions could not be established but the pilot reported that the Coventry Airport forecast was wind from 9mph, regarded as a 'gentle breeze' on the Beaufort Scale.